[PATCH] D137977: [libc] Forward LLVM_LIBC options when using a runtimes build

[Joseph Huber via Phabricator via llvm-commits]

jhuber6 created this revision.
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The `LLVM_ENABLE_RUNTIMES' mode is commonly used to build runtimes that
depend on an up-to-date version of clang. Currently, `libc` uses some
internal variables that are not forwarded when building in this mode.
This patch forwards the relevent arguments beginning with `LLVM_LIBC` to
the build when built this way.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137977

Files:
  llvm/runtimes/CMakeLists.txt


Index: llvm/runtimes/CMakeLists.txt
===================================================================
--- llvm/runtimes/CMakeLists.txt
+++ llvm/runtimes/CMakeLists.txt
@@ -178,6 +178,9 @@
   if(canon_name STREQUAL "COMPILER_RT")
     list(APPEND prefixes SANITIZER DARWIN)
   endif()
+  if(canon_name STREQUAL "LLVMLIBC")
+    list(APPEND prefixes "LLVM_LIBC")
+  endif()
 
   string(FIND ${projName} "lib" LIB_IDX)
   if(LIB_IDX EQUAL 0)


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